Contents
- Weather in January
- Frequently asked questions
- Average temperature in January
- Average pressure in January
- Average wind speed in January
- Average humidity in January
- Average rainfall in January
- Average rainfall days in January
- Average snowfall in January
- Average snowfall days in January
- Average daylight in January
- Average sunshine in January
- Average sunshine days in January
- Average UV index in January
- Average cloud cover in January
- Average visibility in January
Weather in January
Temperature
East Derry records the coldest temperatures in January, averaging a high of 30.6°F (-0.8°C) and a low of 18°F (-7.8°C).Humidity
In East Derry, the average relative humidity in January is 80%.Rainfall
The month with the least rainfall in East Derry, New Hampshire, is January, when the rain falls for 4.1 days and typically collects 0.75" (19mm) of precipitation.Snowfall
Months with snowfall in East Derry are January through May, October through December. In East Derry, in January, during 7.1 snowfall days, 2.4" (61mm) of snow is typically accumulated. Throughout the year, there are 26.1 snowfall days, and 11.54" (293mm) of snow is accumulated.Daylight
The average length of the day in January in East Derry is 9h and 27min.On the first day of the month, sunrise is at 7:16 am and sunset at 4:21 pm. On the last day of January, sunrise is at 7:01 am and sunset at 4:56 pm EST.
Sunshine
In January, the average sunshine is 5.1h.UV index
The months with the lowest UV index in East Derry are January through March, November and December, with an average maximum UV index of 2. A UV Index estimate of 2, and below, represents a low threat to health from exposure to the Sun's UV radiation for the average person.Note: In January, the maximum UV index of 2 suggests this advice:
The majority are not significantly affected by prolonged sun exposure. Infants, children, and those with fair skin must always have protection. When the Sun is at its strongest around midday, find shade and limit exposure. Sunglasses providing both UVA and UVB protection are non-negotiable on sunlit days. Take precaution! The reflection from snow can almost double the UV radiation of the Sun.
Frequently asked questions
What is the coldest month in East Derry?
How cold is January in East Derry?
What is the average humidity in January in East Derry?
What is the driest month in East Derry?
How many days does it rain in January in East Derry?
How many days does it snow in January in East Derry?
How many hours of daylight does East Derry have in January?
When is the sunrise / sunset in January in East Derry?
How many hours of sunshine does East Derry have in January?
When is the lowest UV index in East Derry?
How high is the UV index in January in East Derry?
Average temperature in January
East Derry, NH
- Average high temperature in January: 30.6°F
The warmest month (with the highest average high temperature) is July (81.7°F).
The month with the lowest average high temperature is January (30.6°F).
- Average low temperature in January: 18°F
The month with the highest average low temperature is July (61°F).
The coldest month (with the lowest average low temperature) is January (18°F).
Average pressure in January
East Derry, NH
- Average pressure in January: 30.01"Hg
The month with the highest atmospheric pressure is November (30.07"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed in January
East Derry, NH
- Average wind speed in January: 8.3mph
The windiest month (with the highest average wind speed) is January (8.3mph).
The calmest month (with the lowest average wind speed) is August (5.1mph).
Average humidity in January
East Derry, NH
- Average humidity in January: 80%
The month with the highest relative humidity is February (81%).
The month with the lowest relative humidity is April (72%).
Average rainfall in January
East Derry, NH
- Average rainfall in January: 0.75"
The wettest month (with the highest rainfall) is October (1.38").
The driest month (with the least rainfall) is January (0.75").
Average rainfall days in January
East Derry, NH
- Average rainfall days in January: 4.1 days
The month with the highest number of rainy days is June (12.1 days).
The month with the least rainy days is January (4.1 days).
Average snowfall in January
East Derry, NH
- Average snowfall in January: 2.4"
The month with the highest snowfall is December (2.99").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in January
East Derry, NH
- Average snowfall days in January: 7.1 days
The month with the highest number of snowfall days is January (7.1 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in January /
Average sunshine in January
East Derry, NH
- Average daylight in January: 9h and 2min
The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 6min).
- Average sunshine in January: 5h and 1min
The month with the most sunshine is August (Average sunshine: 10h and 24min).
The month with the least sunshine is February (Average sunshine: 4h and 36min).
Average sunshine days in January
East Derry, NH
- Average sunshine days in January: 21.3 days
The months with the most sunshine days are January and December (21.3 days).
The month with the least sunshine days is June (16.7 days).
Average UV index in January
East Derry, NH
- Average UV index in January: 2
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, March, November and December (UV index 2).
Average cloud cover in January
East Derry, NH
- Average cloud cover in January: 45
The month with the most cloud cover is March (Cloud cover 51).
The month with the least cloud cover is August (Cloud cover 33).
Average visibility in January
East Derry, NH
- Average visibility in January: 6mi
The months with the highest visibility are January, April, November and December (6mi).
The months with the lowest visibility are February, March, May, June, July, August, September and October (5mi).
East Derry, New Hampshire, USA
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